I think I need a new starter motor

Good to hear, Red. I've got an SF starter in pretty bad shape that I want refurbed. Don't think it's as bad as the photo 'space reentry' number, but probably requires the same treatment.

I'm continually that Qld has by far the best source of specialist fixers and suppliers in the country. So often I find a service I'm or thing I'm looking for and the phone prefix comes up as 07.
 
:o  Blimey Craig, I don't think I've ever seen such an electric motor reduced to such a mess. Evidently they're not designed for 30,000 rpm!

I've still got the old starter motor off my jota that has shorted out stator coils (I think the rotor is OK). There's an old bloke here who used to rewind them but he's given it away now. Reckons his eyesight is buggered and he can't see what he's doing. I offered him a desk lamp and a pair of reading glasses but he told me to fuck off.  :D

Maybe I should send it to Red's bloke to get it fixed. Seems a shame to chuck it out and it might be useful to have a spare.
 
Definitely get it fixed, Cam.  "They ain't making these no more", and stator coils should be easy-peasy compared to what I've got.

I've found someone who is at least prepared to look at mine ...  :o.  Will post on here if it works out.  If not, reckon I'll be talking nice to Red about his contact  :P
 
My starter motor was worse than yours, even the commutator had broken up. Got it repaired by these guys http://www.robsonandfrancisrewinds.co.uk/
 
Dellortoman said:
Evidently they're not designed for 30,000 rpm!
Click to expand...
30,000 rpm? Was a walk in the park for this starter.
It got to 70,000 rpm, but it let go before it made 80,000 rpm!
Starter_Motor_1_02.JPG

The starter to crank ratio is about 21:1?
Momentarily nipped up the rear wheel but fortunately the locked starter clutch let go as the Jota was getting above 80 km/h by then. WTF  :o
Reckon you would hear something ay? But alas no.

Anyhow, Jimmy was happy to grab the bits and work his magic.

>edit: the following week in the shed, I was talking to Stoney who was involved in testing starter motors in the UK back in the day. He reckoned it did well, as most commutators would let go by 75,000 rpm <
 
Nat Magee said:
My starter motor was worse than yours, even the commutator had broken up. Got it repaired by these guys http://www.robsonandfrancisrewinds.co.uk/
Click to expand...

Good to hear, Nat - it's Mike at Robson and Francis that I'm talking to  :D
 
If you accidentally hit the Start Button on early SF's at Hi-RPM, the starter clutch engages and ashes the starter - Been there - Always ground the starter relay through the neutral switch.
 
And thru the post today arrives, all the way from British Columbia ...

~y~bACw5=B.jpg


Thank you Wolfgang!

And now to follow Piet's advice:
"When tightening those measly M5 screws, they need a good wallop/tap on the head, they can then be tightened a bit further (insert an old socket and hit it with a medium-sized hammer).  This should be repeated as often as it requires them to no longer yield any movement after tapping.  Only then are the screw and plate truely snug, a drop of Loctite will then keep everything in place."  8)
 
Hey Craig - did you get a set of new screws from OCT? - they sell high tensile items which provide a bit of comfort when tightening down as Piet describes. And Roger also stressed the need for a hex key that is a decent fit in the bolt head.
 
Hi Rob,

I didn't.  Roger being 'fresh out of stock' of starter motors, we didn't get on to screws - and Piet didn't mention them.  So just 'Regular Fit' items from Wolfgang.

But thanks for the Heads Up.  I'll get back in touch with OCT/Piet and see what he/they say(s).  Don't really want this happening a second time ...  :o

Ciao

Craig
 
You'll probably find what you need here https://damclassicracing.com.au/categories/engine-covers/starter-clutch-1.html?sort=alphaasc&page=1 and enough info in the description to source elswhere if shipping cost becomes and issue, we keep an eye out for automatic computer shipping over-calculations and refund the difference if need be.

DAM Classic Racing bought up all of the remaining new starter motors direct from the SJCE factory https://damclassicracing.com.au/categories/electrical/alternator-rectifier-regulator-starter-motor.html The cost to do another factory run is prohibitive.
We have a motor rewind program now with a supplier in Victoria, Australia.
 
Ta Greg.  I'm actually waiting on a parcel from you to drop thru the door (apparently it's arrived safely here in France ...).  So hopefully between you, Wolfgang and Piet (for advice), I should be sorted  ;)

P.s.  Let me know if you think my old motor might be of any use to you for re-building.  If not, it will be be put away somewhere in case the day ever comes ...

Ciao

Craig
 
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